SmTmS2

ceramic

· JVASP-103686· SmTmS2

SmTmS2 is a rare-earth sulfide ceramic compound combining samarium and thulium with sulfur, representing a specialized functional ceramic within the lanthanide chalcogenide family. This material is primarily of research interest for optoelectronic and photonic applications, particularly where rare-earth luminescence or high-density ceramic properties are leveraged, though industrial adoption remains limited compared to more established rare-earth oxides. Engineers considering this compound should recognize it as an exploratory material for niche applications requiring specific rare-earth spectroscopic properties rather than a commodity engineering ceramic.

rare-earth photonicsexperimental luminescent deviceshigh-density ceramic compositesresearch optoelectronicslanthanide-based compounds

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2696	lb/in³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.139	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

SmTmS2 — Properties & Data | MatWorld

SmTmS2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental